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Capital structure and financing - C.2. Dividend distributions (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Capital, Reserves And Other Equity Interest And Financial Instruments [Abstract]
Statutory reserves unavailable for distribution	$ 472	$ 486	$ 310

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- Definition

Share Capital, Reserves And Other Equity Interest And Financial Instruments [Abstract]

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No definition available.

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- Definition

Statutory Reserves Unavailable For Distribution

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No definition available.

+ Details

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